M A R G I N E L L A . 



Plate VII. 



Species 24. (Fig. a, b, Mus. Cuming.) 



M.\RcaNELLA FABA. Marg. testa snbfusiformi-ovatd, 

 cinerco-albd, piiiictis grandiljus nir/ris aspersd, sjiirii 

 ekeatd, anfraclibiis SHpertu' dedivi-angidalis, ad an- 

 gulum longitudbudiler plicatu-nodatis ; Inliro incrassa- 

 to, infiis denticulato. 



The bean Marginella. Sliell somewhat fusiformly 

 ovate, asli-white, sprinkled with large black clots, 

 spire raised, whorls slopingly angled round the upper 

 part, longitudinally plicately noduled on the angle ; 

 lip thickened, denticulated within. 



roliitafaha, LinnKUS, Syst. Nat. p. 1189. 

 Marginella f aba, Lamarck. 



ITah. Senegal, West Africa. 



Of a round subfusiform growth, rarely clouded with 

 colour, while the black dots are bold and conspicuous. 



Species 25. (Fig. a, b, c, d, ]\Ius. Taylor. j 



Mahginella BIFAsciata. Miirg. testa late svbfusiformi- 

 ovatd, cinereo-albidd, violaceo-griseo nebiilatd et 

 obscure bi/asciaid, pnnctis minnlis copiose aspersd, 

 spird elevatd, aii/ractibus siiperiii declivi-a>/g/tlatis, ad 

 angnhtm lotujitudinaliter plicato-nodatis ; labro late 

 incrassato, intiis denticulato. 



The two-bakded Marginella. Shell broadly some- 

 what fusiformly ovate, ash-white, clouded and ob- 

 scurely two-bauded with violet-grey, copiously 

 sprinkled with fine dots, spire raised, whorls slopingly 

 angled at the upper part, longitudinally plicately 

 noduled at the angle ; lip broadly thickened, denti- 

 culated within. 



Lamarck, Anim. sans vert. vol. lU. p. 438. 



Hab. Senegal, West Africa. 



Broader, more harp-shaped, than the preceding species, 

 with much more variety of colour and marking, while the 

 dots are minute and very niunerous. 



Species 26. (Fig. a, b, Mus. Cuming.) 



Marginella pseudo-faba. Marg. testa snbfusiforwi- 

 ovafd, ad basin recurru, albidd, olioaceo-griseo tindii- 

 lato-slrigatd, puiictis nigris oblongis undir/iiefasciatd, 

 spird elevatd, anfractibtis siiperne decliri-aiigiilntis ; 

 labro late incrassato, intus denticulato. 



The false-bean Marginella. Shell somewhat fusi- 

 formly ovate, recurved at the base, whitish, undu- 

 lately streaked with olive-grey, banded throughout 

 with oblong black dots, spire raised, whorls slopingly 

 angled round the upper part ; lip broadly thickened, 

 denticulated within. 



SoWERBY, Pro. Zool. Soe. 1846, p. 9G. 



Hab. Mouth of the Gambia, West Africa. 



Of an elegantly curved form, the finest species of this 

 type of the genus, with the black dots more oblong, and 

 more regularly disposed in bands. 



Species 27. (Fig. a, b, ilus. Cuming.) 



Marginella Adansoni. Marg. testd subfusiformi 

 ovatd, ciuered, griseo nebulatd, lineis caruleo-nigris 

 hie illic pnnctatis, profuse oblique undulatd, spird 

 elevatd, anfractibus superne obtuse declivi-angulat/s, 

 ad angulum lougitudinaliter plicato-uodatis ; labro 

 late incrassato, iutus denticulato. 



Adanson's ^Marginella. Shell somewhat fusiformly 

 ovate, ash-colour, clouded with grey, profusely, ob- 

 li(|uely waved with blue-black lines, here and there 

 dotted, s 're raised, whorls slopingly obtusely angled 

 at the upper part, longitudinally plicately noduled at 

 the angle ; lip broadly thickened, denticulated within. 



Kiener, Icon. Coq. viv. pi. 7. f. 27. 



Hab. Isle of Goree, West Africa. 



The most obvious peculiarity of this species is its 

 crowded, obliquely waved painting of blue-black lines, 

 which are peculiar in being dotted at intervals. 



Ai|o;ust, 1864. 



